PODCAST

NSScreencast (free videos)

Ben Scheirman

Bite-sized screencasts on iOS development.

technology software how-to

All Episodes

#99 - Parsing and Formatting Dates

NSScreencast (free videos) ·

2013/12/12

In this episode we cover a basic but fundamentally important topic: dealing with dates & times. Particularly when dealing with an API, dates can arrive in all shapes and sizes. We'll examine some of the common ones, talk about how to parse these formats into NSDate instances, and how to use NSDateFormatter to display them back again as a string.

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#87 - Xcode 5 Autolayout Improvements

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2013/09/26

This week we have another free bonus video on the improvements that Xcode 5 brings to Autolayout. As something that has been quite obnoxious to work with in the past, many people dismissed auto layout when it was introduced to iOS 6. With these improvements it is much more friendly and dare I say... usable?

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#85 - Hello, iOS 7

NSScreencast (free videos) ·

2013/09/19

To celebrate the launch of iOS 7, here is a bonus free screencast covering a few of the concepts in iOS 7 such as the status bar behavior, tint color, and navigation bar transitions. We'll also take a look at Xcode 5 with a couple of the new features, including the integrated test runner.

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#60 - Windows Azure Mobile Services Part 2

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2013/04/02

We continue with our example chat application here and add the ability post a message, poll for updates, and receive push notifications. This episode utilizes a pod calles MessagesTableView controller to present an SMS like interface for the messages.

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#59 - Windows Azure Mobile Services

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2013/03/28

This week we take a look at Windows Azure Mobile Services, a back-end for mobile applications that has first class iOS support. In this episode we begin building a full featured chat application. This is part 1 of 2, in which we set up a new mobile service, wire up the SDK with CocoaPods, set up Twitter authentication and enrich the data using Javascript on the server.This episode has been sponsored by Microsoft.

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#28 - Creating a Cocoapod

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2012/08/09

In this episode, we'll create a CocoaPod out of the modal picker view component we created in episodes 25 & 26. We'll see how to tag & push our code to a github repository and create a podspec so that others can use this component in their projects.

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#27 - New Objective-C Syntax

NSScreencast (free videos) ·

2012/08/02

The latest version of the LLVM compiler supports some excellent new syntax additions to the Objective-C language. In this episode, I cover what the new syntax is, how to use it, and a few caveats to look out for.

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#15 - HTTP Caching

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2012/05/10

HTTP Caching is an important concept to understand when building iPhone apps that consume HTTP APIs. In this episode, we'll see how leveraging Etags, Last Modified dates, and Cache-Control headers can help make your app more efficient and tolerable to use.

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#13 - Setting up Jenkins

NSScreencast (free videos) ·

2012/04/26

In this episode, we'll set up a free continuous integration server called Jenkins (previously Hudson) to run our build. We'll configure it to automatically check out changes from git, run the build, and finally run all of our tests. We'll then use a conversion script to translate the test output into JUnit test report files that Jenkins natively understands.

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#12 - Importing into Core Data

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2012/04/19

In this screencast I'll pull down data from an API, map the JSON to a Core Data Managed Object and import them in bulk on a background thread. Then we'll display the imported content in a UITableView using NSFetchedResultsController.

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#11 - Core Data Basics

NSScreencast (free videos) ·

2012/04/19

Core Data is Apple's framework for persisting data on Mac & iOS. It can be though of as an ORM, however it's probably a lot different than most ORMs you've used in the past. In this episode, we'll set up Core Data from scratch so you can see all the moving parts.

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#10 - Fun with Blocks

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2012/04/04

Blocks are a great way to simplify code when dealing with asynchronous tasks (using GCD), callbacks, and atomic operations. In this episode, we'll look at a few ways you can use blocks in your code.

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#9 - Automatic Reference Counting

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2012/03/29

In this episode, I'll show you how to convert your project to use Automatic Reference Counting (or ARC) to eliminate the need to use retain, release, autorelease, and dealloc in your Objective-C code!

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#8 - Automatic UITableView Paging

NSScreencast (free videos) ·

2012/03/22

UITableView can support skimming through many rows of data, however fetching large amounts of remote data can slow down your app, use up too much memory, and bog down your web server. This is all wasteful if users aren't ever going to scroll down that far. In this episode you'll learn how to perform automatic UITableView paging using an easy technique.

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#7 - Serializing Data to Disk

NSScreencast (free videos) ·

2012/03/15

It can be useful to save lightweight application data to disk so that it persists between application launches. This episode will show you how to serialize common objects such as NSArray and NSDictionary to disk, as well as implementing custom object serialization using NSKeyedArchiver.

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#6 - AFNetworking

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2012/03/08

AFNetworking is a simple-yet-powerful toolkit for making HTTP requests dead simple. It is my current go-to framework for writing API clients in iOS applications.

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#5 - CocoaPods

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2012/03/02

Looking for a solution for managing dependencies similar to RubyGems? Look no further! CocoaPods is a great solution that makes it easy to manage dependencies to 3rd party libraries in your projects.

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#4 - Automated Testing with Kiwi

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2012/02/23

In this episode, I show you how to start testing with Kiwi, a test framework built on top of SenTestKit that has a style similar to Rspec.

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#3 - UITableView Basics

NSScreencast (free videos) ·

2012/02/17

UITableView is one of the most common controls in UIKit. This episode will show you the basics of how to make your view controller act as the delegate & datasource for the table view, as well as reading sample data (beers) from a plist file.

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#1 - Objective-C Basics

NSScreencast (free videos) ·

2012/02/10

In this episode, I cover Objective-C the language. I cover the syntax of classes & methods, then go over how to work with objects using retain, release, and autorelease.

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